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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Sep 08 22h51 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)16.6
m2 standard deviation0.0
Aperture radius used for m25.6 "
Coma diameter8.4 '
r (dist/Sun) 3.362 AU
d (dist/Earth) 3.241 AU
Right ascension17 20 51.98 h m s
Declination+50 49 10.4 ° ' "
MPC report
COD K97
CON P.Ditz [patrick.ditz@wanadoo.fr]
OBS P.Ditz
MEA P.Ditz
TEL 0.54-m f/3.75 reflector + CCD
ACK MPCReport file updated 2023.09.09 10:38:44
AC2 patrick.ditz@wanadoo.fr
NET PPMXL
0012P         C2023 09 08.95198 17 20 51.98 +50 49 10.4          16.6 V      K97
0012P         C2023 09 08.95912 17 20 51.82 +50 49 06.0          16.6 V      K97
0012P         C2023 09 08.96408 17 20 51.70 +50 49 02.9          16.6 V      K97
Instrumental configurationConfig1
InstrumentT540
Instrument typeNewton
Instrument aperture (0=naked eye)540 mm
Instrument focale length2025 mm
Instrument focale/diameter3.75
Filter(s)L
CameraATIK 460EX
SensorCCD
Sensor size10x12.5 mm2
Sensor pixels number2749x2199
Sensor temperature-10 °C
Binning2x2
MountVMA300
Exposure total time1980 s
Exposure details33x60s
Moon phase123 °
Moon elongation99 °
Air mass1.5
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogPPMXL
Used softwaresAstrometrica
Resulting picture sampling (scale)0.92 "/pix
Image processingPrism11 & Gimp
Remarks or commentsDeux comas sont présentes: La plus étendue de diamètre 8'4 et la plus concise de diamètre 1'2
Observation submission date2023 Sep 09 09h35m27s
Observation modification date2023 Sep 09 09h44m43s

(Record n° 27550)

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